mirror of
https://github.com/netsurf-browser/netsurf
synced 2025-01-03 17:54:33 +03:00
Move directory listing HTML generation functions into separate module.
svn path=/trunk/netsurf/; revision=10715
This commit is contained in:
Michael Drake
parent
bbbbdd4d80
commit
175bb0344c
@ -5,7 +5,7 @@
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# for each build.
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#
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S_CONTENT := content.c fetch.c hlcache.c llcache.c urldb.c \
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S_CONTENT := content.c dirlist.c fetch.c hlcache.c llcache.c urldb.c \
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fetchers/fetch_curl.c fetchers/fetch_data.c
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S_CSS := css.c dump.c internal.c select.c utils.c
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S_RENDER := box.c box_construct.c box_normalise.c directory.c favicon.c \
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378
content/dirlist.c
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378
content/dirlist.c
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@ -0,0 +1,378 @@
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/*
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* Copyright 2010 Michael Drake <tlsa@netsurf-browser.org>
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*
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* This file is part of NetSurf, http://www.netsurf-browser.org/
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*
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* NetSurf is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; version 2 of the License.
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*
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* NetSurf is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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/** \file
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* Generate HTML content for displaying directory listings (implementation).
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*/
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#include <stdbool.h>
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#include <string.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include "content/dirlist.h"
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#include "utils/messages.h"
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static const char footer[] = "</div>\n</body>\n</html>\n";
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static int dirlist_filesize_calculate(unsigned long *bytesize);
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static int dirlist_filesize_value(unsigned long bytesize);
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static char* dirlist_filesize_unit(unsigned long bytesize);
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/**
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* Generates the top part of an HTML directory listing page
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*
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* \return Top of directory listing HTML
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*
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* This is part of a series of functions. To generate a complete page,
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* call the following functions in order:
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*
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* dirlist_generate_top()
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* dirlist_generate_hide_columns() -- optional
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* dirlist_generate_title()
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* dirlist_generate_parent_link() -- optional
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* dirlist_generate_headings()
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* dirlist_generate_row() -- call 'n' times for 'n' rows
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* dirlist_generate_bottom()
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*/
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const char* dirlist_generate_top(void)
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{
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return "<html>\n"
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"<head>\n"
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"<style>\n"
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"html, body { margin: 0; padding: 0; }\n"
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"body { background-color: #abf; }\n"
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"h1 { padding: 5mm; margin: 0; "
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"border-bottom: 2px solid #bcf; }\n"
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"p { padding: 2px 5mm; margin: 0; }\n"
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"div { display: table; width: 94%; margin: 5mm auto 0 auto; "
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"padding: 0; }\n"
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"a, strong { display: table-row; margin: 0; padding: 0; }\n"
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"a.odd { background-color: #bcf; }\n"
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"a.even { background-color: #b2c3ff; }\n"
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"span { display: table-cell; }\n"
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"em > span { padding-bottom: 1px; }\n"
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"a + a>span { border-top: 1px solid #9af; }\n"
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"span.name { padding-left: 22px; min-height: 19px;}\n"
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"a.dir > span.name { font-weight: bold; }\n"
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"a.dir > span.type { font-weight: bold; }\n"
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"span.size { text-align: right; padding-right: 0.3em; }\n"
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"span.size + span.size { text-align: left; "
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"padding-right: 0; }\n";
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}
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/**
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* Generates the part of an HTML directory listing page that can suppress
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* particular columns
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*
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* \param flags flags for which cols to suppress. 0 to suppress none
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* \param buffer buffer to fill with generated HTML
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* \param buffer_length maximum size of buffer
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* \return true iff buffer filled without error
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*
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* This is part of a series of functions. To generate a complete page,
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* call the following functions in order:
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*
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* dirlist_generate_top()
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* dirlist_generate_hide_columns() -- optional
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* dirlist_generate_title()
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* dirlist_generate_parent_link() -- optional
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* dirlist_generate_headings()
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* dirlist_generate_row() -- call 'n' times for 'n' rows
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* dirlist_generate_bottom()
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*/
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bool dirlist_generate_hide_columns(int flags, char *buffer, int buffer_length)
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{
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int error = snprintf(buffer, buffer_length,
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"%s\n%s\n%s\n%s\n%s\n",
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(flags & DIRLIST_NO_NAME_COLUMN) ?
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"span.name { display: none; }\n" : "",
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(flags & DIRLIST_NO_TYPE_COLUMN) ?
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"span.type { display: none; }\n" : "",
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(flags & DIRLIST_NO_SIZE_COLUMN) ?
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"span.size { display: none; }\n" : "",
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(flags & DIRLIST_NO_DATE_COLUMN) ?
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"span.date { display: none; }\n" : "",
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(flags & DIRLIST_NO_TIME_COLUMN) ?
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"span.time { display: none; }\n" : "");
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if (error < 0 || error >= buffer_length)
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/* Error or buffer too small */
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return false;
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else
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/* OK */
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return true;
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}
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/**
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* Generates the part of an HTML directory listing page that contains the title
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*
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* \param title title to use
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* \param buffer buffer to fill with generated HTML
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* \param buffer_length maximum size of buffer
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* \return true iff buffer filled without error
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*
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* This is part of a series of functions. To generate a complete page,
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* call the following functions in order:
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*
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* dirlist_generate_top()
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* dirlist_generate_hide_columns() -- optional
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* dirlist_generate_title()
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* dirlist_generate_parent_link() -- optional
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* dirlist_generate_headings()
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* dirlist_generate_row() -- call 'n' times for 'n' rows
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* dirlist_generate_bottom()
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*/
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bool dirlist_generate_title(char *title, char *buffer, int buffer_length)
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{
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int error = snprintf(buffer, buffer_length,
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"</style>\n"
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"<title>%s</title>\n"
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"</head>\n"
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"<body>\n"
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"<h1>%s</h1>\n",
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title, title);
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if (error < 0 || error >= buffer_length)
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/* Error or buffer too small */
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return false;
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else
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/* OK */
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return true;
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}
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/**
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* Generates the part of an HTML directory listing page that links to the parent
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* directory
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*
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* \param parent url of parent directory
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* \param buffer buffer to fill with generated HTML
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* \param buffer_length maximum size of buffer
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* \return true iff buffer filled without error
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*
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* This is part of a series of functions. To generate a complete page,
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* call the following functions in order:
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*
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* dirlist_generate_top()
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* dirlist_generate_hide_columns() -- optional
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* dirlist_generate_title()
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* dirlist_generate_parent_link() -- optional
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* dirlist_generate_headings()
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* dirlist_generate_row() -- call 'n' times for 'n' rows
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* dirlist_generate_bottom()
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*/
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bool dirlist_generate_parent_link(char *parent, char *buffer, int buffer_length)
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{
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int error = snprintf(buffer, buffer_length,
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"<p><a href=\"%s\">%s</a></p>",
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parent, messages_get("FileParent"));
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if (error < 0 || error >= buffer_length)
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/* Error or buffer too small */
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return false;
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else
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/* OK */
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return true;
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}
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/**
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* Generates the part of an HTML directory listing page that displays the column
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* headings
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*
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* \param buffer buffer to fill with generated HTML
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* \param buffer_length maximum size of buffer
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* \return true iff buffer filled without error
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*
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* This is part of a series of functions. To generate a complete page,
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* call the following functions in order:
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*
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* dirlist_generate_top()
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* dirlist_generate_hide_columns() -- optional
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* dirlist_generate_title()
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* dirlist_generate_parent_link() -- optional
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* dirlist_generate_headings()
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* dirlist_generate_row() -- call 'n' times for 'n' rows
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* dirlist_generate_bottom()
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*/
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bool dirlist_generate_headings(char *buffer, int buffer_length)
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{
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int error = snprintf(buffer, buffer_length,
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"<div>\n<strong>"
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"<span class=\"name\">%s</span> "
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"<span class=\"type\">%s</span> "
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"<span class=\"size\">%s</span>"
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"<span class=\"size\"></span> "
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"<span class=\"date\">%s</span> "
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"<span class=\"time\">%s</span></strong>\n",
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messages_get("FileName"), messages_get("FileType"),
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messages_get("FileSize"), messages_get("FileDate"),
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messages_get("FileTime"));
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if (error < 0 || error >= buffer_length)
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/* Error or buffer too small */
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return false;
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else
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/* OK */
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return true;
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}
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/**
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* Generates the part of an HTML directory listing page that displays a row
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* in the directory contents table
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*
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* \param even evenness of row number, for alternate row colouring
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* \param directory whether this row is for a directory (or a file)
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* \param url url for row entry
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* \param name name of row entry
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* \param type MIME type of row entry
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* \param size size of row entry. If negative, size is left blank
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* \param date date row entry was last modified
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* \param time time row entry was last modified
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* \param buffer buffer to fill with generated HTML
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* \param buffer_length maximum size of buffer
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* \return true iff buffer filled without error
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*
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* This is part of a series of functions. To generate a complete page,
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* call the following functions in order:
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*
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* dirlist_generate_top()
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* dirlist_generate_hide_columns() -- optional
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* dirlist_generate_title()
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* dirlist_generate_parent_link() -- optional
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* dirlist_generate_headings()
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* dirlist_generate_row() -- call 'n' times for 'n' rows
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* dirlist_generate_bottom()
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*/
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bool dirlist_generate_row(bool even, bool directory, char *url, char *name,
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char *type, long long size, char *date, char *time,
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char *buffer, int buffer_length)
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{
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const char *unit;
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char size_string[100];
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int error;
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if (size < 0) {
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unit = "";
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strncpy(size_string, "", sizeof size_string);
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} else {
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unit = messages_get(dirlist_filesize_unit((unsigned long)size));
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snprintf(size_string, sizeof size_string, "%d",
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dirlist_filesize_value((unsigned long)size));
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}
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error = snprintf(buffer, buffer_length,
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"<a href=\"%s\" class=\"%s %s\">"
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"<span class=\"name\">%s</span> "
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"<span class=\"type\">%s</span> "
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"<span class=\"size\">%s</span>"
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"<span class=\"size\">%s</span> "
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"<span class=\"date\">%s</span> "
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"<span class=\"time\">%s</span></a>\n",
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url, even ? "even" : "odd",
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directory ? "dir" : "file",
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name, type, size_string, unit, date, time);
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if (error < 0 || error >= buffer_length)
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/* Error or buffer too small */
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return false;
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else
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/* OK */
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return true;
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}
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/**
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* Generates the bottom part of an HTML directory listing page
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*
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* \return Bottom of directory listing HTML
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*
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* This is part of a series of functions. To generate a complete page,
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* call the following functions in order:
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*
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* dirlist_generate_top()
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* dirlist_generate_hide_columns() -- optional
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* dirlist_generate_title()
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* dirlist_generate_parent_link() -- optional
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* dirlist_generate_headings()
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* dirlist_generate_row() -- call 'n' times for 'n' rows
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* dirlist_generate_bottom()
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*/
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const char* dirlist_generate_bottom(void)
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{
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return "</div>\n"
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"</body>\n"
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"</html>\n";
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}
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/**
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* Obtain display value and units for filesize after conversion to B/kB/MB/GB,
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* as appropriate.
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*
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* \param bytesize file size in bytes, updated to filesize in output units
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* \return number of times bytesize has been divided by 1024
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*/
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int dirlist_filesize_calculate(unsigned long *bytesize)
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{
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int i = 0;
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while (*bytesize > 1024 * 4) {
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*bytesize /= 1024;
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i++;
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if (i == 3)
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break;
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}
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return i;
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}
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/**
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* Obtain display value for filesize after conversion to B/kB/MB/GB,
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* as appropriate
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*
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* \param bytesize file size in bytes
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* \return Value to display for file size, in units given by filesize_unit()
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*/
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int dirlist_filesize_value(unsigned long bytesize)
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{
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dirlist_filesize_calculate(&bytesize);
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return (int)bytesize;
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}
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/**
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* Obtain display units for filesize after conversion to B/kB/MB/GB,
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* as appropriate
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*
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* \param bytesize file size in bytes
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* \return Units to display for file size, for value given by filesize_value()
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*/
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char* dirlist_filesize_unit(unsigned long bytesize)
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{
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const char* units[] = { "Bytes", "kBytes", "MBytes", "GBytes" };
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return (char*)units[dirlist_filesize_calculate(&bytesize)];
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}
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47
content/dirlist.h
Normal file
47
content/dirlist.h
Normal file
@ -0,0 +1,47 @@
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/*
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* Copyright 2010 Michael Drake <tlsa@netsurf-browser.org>
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*
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* This file is part of NetSurf, http://www.netsurf-browser.org/
|
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*
|
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* NetSurf is free software; you can redistribute it and/or modify
|
||||
* it under the terms of the GNU General Public License as published by
|
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* the Free Software Foundation; version 2 of the License.
|
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*
|
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* NetSurf is distributed in the hope that it will be useful,
|
||||
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
||||
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
||||
* GNU General Public License for more details.
|
||||
*
|
||||
* You should have received a copy of the GNU General Public License
|
||||
* along with this program. If not, see <http://www.gnu.org/licenses/>.
|
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*/
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/** \file
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* Generate HTML content for displaying directory listings (interface).
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*
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* These functions should in general be called via the content interface.
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*/
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#ifndef _NETSURF_CONTENT_DIRLIST_H_
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#define _NETSURF_CONTENT_DIRLIST_H_
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#include <stdbool.h>
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#define DIRLIST_NO_NAME_COLUMN 1
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#define DIRLIST_NO_TYPE_COLUMN 1 << 1
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#define DIRLIST_NO_SIZE_COLUMN 1 << 2
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#define DIRLIST_NO_DATE_COLUMN 1 << 3
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#define DIRLIST_NO_TIME_COLUMN 1 << 4
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const char* dirlist_generate_top(void);
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bool dirlist_generate_hide_columns(int flags, char *buffer, int buffer_length);
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bool dirlist_generate_title(char *title, char *buffer, int buffer_length);
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bool dirlist_generate_parent_link(char *parent, char *buffer,
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int buffer_length);
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bool dirlist_generate_headings(char *buffer, int buffer_length);
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bool dirlist_generate_row(bool even, bool directory, char *url, char *name,
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char *type, long long size, char *date, char *time,
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char *buffer, int buffer_length);
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const char* dirlist_generate_bottom(void);
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#endif
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@ -31,6 +31,7 @@
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#include <sys/stat.h>
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#include <time.h>
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#include "content/content_protected.h"
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#include "content/dirlist.h"
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#include "content/fetch.h"
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#include "render/directory.h"
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#include "render/html.h"
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@ -40,376 +41,6 @@
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#define MAX_LENGTH 2048
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#define NO_NAME_COLUMN 1
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#define NO_TYPE_COLUMN 1 << 1
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#define NO_SIZE_COLUMN 1 << 2
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#define NO_DATE_COLUMN 1 << 3
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#define NO_TIME_COLUMN 1 << 4
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static const char footer[] = "</div>\n</body>\n</html>\n";
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static const char* dirlist_generate_top(void);
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static bool dirlist_generate_hide_columns(int flags, char *buffer,
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int buffer_length);
|
||||
static bool dirlist_generate_title(char *title, char *buffer,
|
||||
int buffer_length);
|
||||
static bool dirlist_generate_parent_link(char *parent, char *buffer,
|
||||
int buffer_length);
|
||||
static bool dirlist_generate_headings(char *buffer, int buffer_length);
|
||||
static bool dirlist_generate_row(bool even, bool directory, char *url,
|
||||
char *name, char *type, long long size, char *date,
|
||||
char *time, char *buffer, int buffer_length);
|
||||
static const char* dirlist_generate_bottom(void);
|
||||
|
||||
static int dirlist_filesize_calculate(unsigned long *bytesize);
|
||||
static int dirlist_filesize_value(unsigned long bytesize);
|
||||
static char* dirlist_filesize_unit(unsigned long bytesize);
|
||||
|
||||
|
||||
/**
|
||||
* Generates the top part of an HTML directroy listing page
|
||||
*
|
||||
* \return Top of directory listing HTML
|
||||
*
|
||||
* This is part of a series of functions. To generate a complete page,
|
||||
* call the following functions in order:
|
||||
*
|
||||
* dirlist_generate_top()
|
||||
* dirlist_generate_hide_columns() -- optional
|
||||
* dirlist_generate_title()
|
||||
* dirlist_generate_parent_link() -- optional
|
||||
* dirlist_generate_headings()
|
||||
* dirlist_generate_row() -- call 'n' times for 'n' rows
|
||||
* dirlist_generate_bottom()
|
||||
*/
|
||||
|
||||
const char* dirlist_generate_top(void)
|
||||
{
|
||||
return "<html>\n"
|
||||
"<head>\n"
|
||||
"<style>\n"
|
||||
"html, body { margin: 0; padding: 0; }\n"
|
||||
"body { background-color: #abf; }\n"
|
||||
"h1 { padding: 5mm; margin: 0; "
|
||||
"border-bottom: 2px solid #bcf; }\n"
|
||||
"p { padding: 2px 5mm; margin: 0; }\n"
|
||||
"div { display: table; width: 94%; margin: 5mm auto 0 auto; "
|
||||
"padding: 0; }\n"
|
||||
"a, strong { display: table-row; margin: 0; padding: 0; }\n"
|
||||
"a.odd { background-color: #bcf; }\n"
|
||||
"a.even { background-color: #b2c3ff; }\n"
|
||||
"span { display: table-cell; }\n"
|
||||
"em > span { padding-bottom: 1px; }\n"
|
||||
"a + a>span { border-top: 1px solid #9af; }\n"
|
||||
"span.name { padding-left: 22px; min-height: 19px;}\n"
|
||||
"a.dir > span.name { font-weight: bold; }\n"
|
||||
"a.dir > span.type { font-weight: bold; }\n"
|
||||
"span.size { text-align: right; padding-right: 0.3em; }\n"
|
||||
"span.size + span.size { text-align: left; "
|
||||
"padding-right: 0; }\n";
|
||||
}
|
||||
|
||||
|
||||
/**
|
||||
* Generates the part of an HTML directory listing page that can suppress
|
||||
* particular columns
|
||||
*
|
||||
* \param flags flags for which cols to suppress. 0 to suppress none
|
||||
* \param buffer buffer to fill with generated HTML
|
||||
* \param buffer_length maximum size of buffer
|
||||
* \return true iff buffer filled without error
|
||||
*
|
||||
* This is part of a series of functions. To generate a complete page,
|
||||
* call the following functions in order:
|
||||
*
|
||||
* dirlist_generate_top()
|
||||
* dirlist_generate_hide_columns() -- optional
|
||||
* dirlist_generate_title()
|
||||
* dirlist_generate_parent_link() -- optional
|
||||
* dirlist_generate_headings()
|
||||
* dirlist_generate_row() -- call 'n' times for 'n' rows
|
||||
* dirlist_generate_bottom()
|
||||
*/
|
||||
|
||||
bool dirlist_generate_hide_columns(int flags, char *buffer, int buffer_length)
|
||||
{
|
||||
int error = snprintf(buffer, buffer_length,
|
||||
"%s\n%s\n%s\n%s\n%s\n",
|
||||
(flags & NO_NAME_COLUMN) ?
|
||||
"span.name { display: none; }\n" : "",
|
||||
(flags & NO_TYPE_COLUMN) ?
|
||||
"span.type { display: none; }\n" : "",
|
||||
(flags & NO_SIZE_COLUMN) ?
|
||||
"span.size { display: none; }\n" : "",
|
||||
(flags & NO_DATE_COLUMN) ?
|
||||
"span.date { display: none; }\n" : "",
|
||||
(flags & NO_TIME_COLUMN) ?
|
||||
"span.time { display: none; }\n" : "");
|
||||
if (error < 0 || error >= buffer_length)
|
||||
/* Error or buffer too small */
|
||||
return false;
|
||||
else
|
||||
/* OK */
|
||||
return true;
|
||||
}
|
||||
|
||||
|
||||
/**
|
||||
* Generates the part of an HTML directory listing page that contains the title
|
||||
*
|
||||
* \param title title to use
|
||||
* \param buffer buffer to fill with generated HTML
|
||||
* \param buffer_length maximum size of buffer
|
||||
* \return true iff buffer filled without error
|
||||
*
|
||||
* This is part of a series of functions. To generate a complete page,
|
||||
* call the following functions in order:
|
||||
*
|
||||
* dirlist_generate_top()
|
||||
* dirlist_generate_hide_columns() -- optional
|
||||
* dirlist_generate_title()
|
||||
* dirlist_generate_parent_link() -- optional
|
||||
* dirlist_generate_headings()
|
||||
* dirlist_generate_row() -- call 'n' times for 'n' rows
|
||||
* dirlist_generate_bottom()
|
||||
*/
|
||||
|
||||
bool dirlist_generate_title(char *title, char *buffer, int buffer_length)
|
||||
{
|
||||
int error = snprintf(buffer, buffer_length,
|
||||
"</style>\n"
|
||||
"<title>%s</title>\n"
|
||||
"</head>\n"
|
||||
"<body>\n"
|
||||
"<h1>%s</h1>\n",
|
||||
title, title);
|
||||
if (error < 0 || error >= buffer_length)
|
||||
/* Error or buffer too small */
|
||||
return false;
|
||||
else
|
||||
/* OK */
|
||||
return true;
|
||||
}
|
||||
|
||||
|
||||
/**
|
||||
* Generates the part of an HTML directory listing page that links to the parent
|
||||
* directory
|
||||
*
|
||||
* \param parent url of parent directory
|
||||
* \param buffer buffer to fill with generated HTML
|
||||
* \param buffer_length maximum size of buffer
|
||||
* \return true iff buffer filled without error
|
||||
*
|
||||
* This is part of a series of functions. To generate a complete page,
|
||||
* call the following functions in order:
|
||||
*
|
||||
* dirlist_generate_top()
|
||||
* dirlist_generate_hide_columns() -- optional
|
||||
* dirlist_generate_title()
|
||||
* dirlist_generate_parent_link() -- optional
|
||||
* dirlist_generate_headings()
|
||||
* dirlist_generate_row() -- call 'n' times for 'n' rows
|
||||
* dirlist_generate_bottom()
|
||||
*/
|
||||
|
||||
bool dirlist_generate_parent_link(char *parent, char *buffer, int buffer_length)
|
||||
{
|
||||
int error = snprintf(buffer, buffer_length,
|
||||
"<p><a href=\"%s\">%s</a></p>",
|
||||
parent, messages_get("FileParent"));
|
||||
if (error < 0 || error >= buffer_length)
|
||||
/* Error or buffer too small */
|
||||
return false;
|
||||
else
|
||||
/* OK */
|
||||
return true;
|
||||
}
|
||||
|
||||
|
||||
/**
|
||||
* Generates the part of an HTML directory listing page that displays the column
|
||||
* headings
|
||||
*
|
||||
* \param buffer buffer to fill with generated HTML
|
||||
* \param buffer_length maximum size of buffer
|
||||
* \return true iff buffer filled without error
|
||||
*
|
||||
* This is part of a series of functions. To generate a complete page,
|
||||
* call the following functions in order:
|
||||
*
|
||||
* dirlist_generate_top()
|
||||
* dirlist_generate_hide_columns() -- optional
|
||||
* dirlist_generate_title()
|
||||
* dirlist_generate_parent_link() -- optional
|
||||
* dirlist_generate_headings()
|
||||
* dirlist_generate_row() -- call 'n' times for 'n' rows
|
||||
* dirlist_generate_bottom()
|
||||
*/
|
||||
|
||||
bool dirlist_generate_headings(char *buffer, int buffer_length)
|
||||
{
|
||||
int error = snprintf(buffer, buffer_length,
|
||||
"<div>\n<strong>"
|
||||
"<span class=\"name\">%s</span> "
|
||||
"<span class=\"type\">%s</span> "
|
||||
"<span class=\"size\">%s</span>"
|
||||
"<span class=\"size\"></span> "
|
||||
"<span class=\"date\">%s</span> "
|
||||
"<span class=\"time\">%s</span></strong>\n",
|
||||
messages_get("FileName"), messages_get("FileType"),
|
||||
messages_get("FileSize"), messages_get("FileDate"),
|
||||
messages_get("FileTime"));
|
||||
if (error < 0 || error >= buffer_length)
|
||||
/* Error or buffer too small */
|
||||
return false;
|
||||
else
|
||||
/* OK */
|
||||
return true;
|
||||
}
|
||||
|
||||
|
||||
/**
|
||||
* Generates the part of an HTML directory listing page that displays a row
|
||||
* in the directory contents table
|
||||
*
|
||||
* \param even evenness of row number, for alternate row colouring
|
||||
* \param directory whether this row is for a directory (or a file)
|
||||
* \param url url for row entry
|
||||
* \param name name of row entry
|
||||
* \param type MIME type of row entry
|
||||
* \param size size of row entry. If negative, size is left blank
|
||||
* \param date date row entry was last modified
|
||||
* \param time time row entry was last modified
|
||||
* \param buffer buffer to fill with generated HTML
|
||||
* \param buffer_length maximum size of buffer
|
||||
* \return true iff buffer filled without error
|
||||
*
|
||||
* This is part of a series of functions. To generate a complete page,
|
||||
* call the following functions in order:
|
||||
*
|
||||
* dirlist_generate_top()
|
||||
* dirlist_generate_hide_columns() -- optional
|
||||
* dirlist_generate_title()
|
||||
* dirlist_generate_parent_link() -- optional
|
||||
* dirlist_generate_headings()
|
||||
* dirlist_generate_row() -- call 'n' times for 'n' rows
|
||||
* dirlist_generate_bottom()
|
||||
*/
|
||||
|
||||
bool dirlist_generate_row(bool even, bool directory, char *url, char *name,
|
||||
char *type, long long size, char *date, char *time,
|
||||
char *buffer, int buffer_length)
|
||||
{
|
||||
const char *unit;
|
||||
char size_string[100];
|
||||
int error;
|
||||
|
||||
if (size < 0) {
|
||||
unit = "";
|
||||
strncpy(size_string, "", sizeof size_string);
|
||||
} else {
|
||||
unit = messages_get(dirlist_filesize_unit((unsigned long)size));
|
||||
snprintf(size_string, sizeof size_string, "%d",
|
||||
dirlist_filesize_value((unsigned long)size));
|
||||
}
|
||||
|
||||
error = snprintf(buffer, buffer_length,
|
||||
"<a href=\"%s\" class=\"%s %s\">"
|
||||
"<span class=\"name\">%s</span> "
|
||||
"<span class=\"type\">%s</span> "
|
||||
"<span class=\"size\">%s</span>"
|
||||
"<span class=\"size\">%s</span> "
|
||||
"<span class=\"date\">%s</span> "
|
||||
"<span class=\"time\">%s</span></a>\n",
|
||||
url, even ? "even" : "odd",
|
||||
directory ? "dir" : "file",
|
||||
name, type, size_string, unit, date, time);
|
||||
if (error < 0 || error >= buffer_length)
|
||||
/* Error or buffer too small */
|
||||
return false;
|
||||
else
|
||||
/* OK */
|
||||
return true;
|
||||
}
|
||||
|
||||
|
||||
/**
|
||||
* Generates the bottom part of an HTML directroy listing page
|
||||
*
|
||||
* \return Bottom of directory listing HTML
|
||||
*
|
||||
* This is part of a series of functions. To generate a complete page,
|
||||
* call the following functions in order:
|
||||
*
|
||||
* dirlist_generate_top()
|
||||
* dirlist_generate_hide_columns() -- optional
|
||||
* dirlist_generate_title()
|
||||
* dirlist_generate_parent_link() -- optional
|
||||
* dirlist_generate_headings()
|
||||
* dirlist_generate_row() -- call 'n' times for 'n' rows
|
||||
* dirlist_generate_bottom()
|
||||
*/
|
||||
|
||||
const char* dirlist_generate_bottom(void)
|
||||
{
|
||||
return "</div>\n"
|
||||
"</body>\n"
|
||||
"</html>\n";
|
||||
}
|
||||
|
||||
|
||||
/**
|
||||
* Obtain display value and units for filesize after conversion to B/kB/MB/GB,
|
||||
* as appropriate.
|
||||
*
|
||||
* \param bytesize file size in bytes, updated to filesize in output units
|
||||
* \return number of times bytesize has been divided by 1024
|
||||
*/
|
||||
|
||||
int dirlist_filesize_calculate(unsigned long *bytesize)
|
||||
{
|
||||
int i = 0;
|
||||
while (*bytesize > 1024 * 4) {
|
||||
*bytesize /= 1024;
|
||||
i++;
|
||||
if (i == 3)
|
||||
break;
|
||||
}
|
||||
return i;
|
||||
}
|
||||
|
||||
|
||||
/**
|
||||
* Obtain display value for filesize after conversion to B/kB/MB/GB,
|
||||
* as appropriate
|
||||
*
|
||||
* \param bytesize file size in bytes
|
||||
* \return Value to display for file size, in units given by filesize_unit()
|
||||
*/
|
||||
|
||||
int dirlist_filesize_value(unsigned long bytesize)
|
||||
{
|
||||
dirlist_filesize_calculate(&bytesize);
|
||||
return (int)bytesize;
|
||||
}
|
||||
|
||||
|
||||
/**
|
||||
* Obtain display units for filesize after conversion to B/kB/MB/GB,
|
||||
* as appropriate
|
||||
*
|
||||
* \param bytesize file size in bytes
|
||||
* \return Units to display for file size, for value given by filesize_value()
|
||||
*/
|
||||
|
||||
char* dirlist_filesize_unit(unsigned long bytesize)
|
||||
{
|
||||
const char* units[] = { "Bytes", "kBytes", "MBytes", "GBytes" };
|
||||
return (char*)units[dirlist_filesize_calculate(&bytesize)];
|
||||
}
|
||||
|
||||
|
||||
bool directory_create(struct content *c, const struct http_parameter *params) {
|
||||
if (!html_create(c, params))
|
||||
/* html_create() must have broadcast MSG_ERROR already, so we
|
||||
|
||||
Loading…
Reference in New Issue
Block a user